diff --git a/bin/update_port.sh b/bin/update_port.sh
new file mode 100644
index 0000000..8c35107
--- /dev/null
+++ b/bin/update_port.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+script_dir=$(cd "$(dirname "$0")"; pwd) # 脚本文件绝对路径
+config_dir="$script_dir/../conf"
+
+source $script_dir/utils/jq_util.sh
+
+old_port=$(jq -r '.inbounds[0].port' "$config_dir/config.json")
+read -p "请输入新的端口[当前端口: $old_port]: " port
+
+# 修改端口
+modify_json_file "$config_dir/config.json" ".inbounds[0].port" "$port"
+
+echo "端口修改成功！新端口为: $port"